Description
Voice signals are transmitted from the microphone to the Bluetooth control unit using the microphone signal circuits.
Diagnosis Procedure
1.CHECK HARNESS BETWEEN BLUETOOTH CONTROL UNIT AND MICROPHONE



2.CHECK MICROPHONE POWER SUPPLY


3.CHECK MICROPHONE SIGNAL

Check signal between Bluetooth control unit harness connector B131 terminals 7 and 8.

Sound signal circuitPrecaution
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and
"SEAT BELT PRE-TENSIONER"
The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT
PRE-TENSIONER", used along with a front seat belt, helps to reduce the risk
or severity of injury to the driver and front passenger for ...
Steering column
Without Electric Motor
-4. Steering column assembly nut tightening order
Steering wheel
Combination switch and spiral cable
Steering column assembly
Hole cover seal
Herbie clip
Hole cover
Lower shaft assembly
With Electric Motor
-4. Steering column assembly ...
Control unit
Removal and Installation
A/C SWITCH ASSEMBLY
Removal
Remove cluster lid D. Refer to IP-10, "Exploded View".
Remove the A/C switch assembly from cluster lid D.
Installation
Installation is in the reverse order of removal.
A/C AUTO AMP.
Removal
Remove the audio unit.
...